Home / 7,250.61-10,877.96-2,809.62

Finding the Fourth Proportional to 7,250.61, 10,877.96 and 2,809.62

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Solution

The fourth proportional to 7,250.61, 10,877.96 and 2,809.62 is: 4,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.61 : 10,877.96 = 2,809.62 : x
  2. Step 2: Convert to fraction form
    7,250.61/10,877.96 = 2,809.62/x
  3. Step 3: Cross multiply
    7,250.61x = 10,877.96 × 2,809.62
  4. Step 4: Simplify right side
    7,250.61x = 30,562,941.00
  5. Step 5: Solve for x
    x = 30,562,941.00/7,250.61
  6. Step 6: Final answer
    x = 4,215.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.